<!DOCTYPE html>
<html lang="en">
  <head>
      <meta charset="UTF-8">
      <title>怎么看错误提示！</title>
  <!--
      进入调试器可以查看错误信息，快捷键：shift ctrl i
  -->
      <script type="text/javascript">
        console1.log("hi");
      </script>
  </head>

  <body>

  </body>
</html>